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BIN 431821 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 431821.
What is BIN 431821?
BIN 431821 is on the Visa network.
A Bank Identification Number (BIN, or Issuer Identification Number / IIN) is the first 6 to 8 digits of any payment card. It tells the payment network which institution issued the card, what kind of card it is, and where it was issued. The card runs on the Visa network.
Visa is the world's largest card network, with cards beginning with the digit 4 and accepted in virtually every country.
Payment processors read these digits on every transaction: they drive routing decisions, currency handling at checkout, fraud scoring and card-product acceptance rules. BIN 431821 carries no personal information: it maps to an issuing institution and card program, never to an individual account or person.
BIN 431821, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 431821 break down.
BIN 431821 — frequently asked questions
Which bank issued BIN 431821?
The live registry lookup doesn't currently return a bank name for BIN 431821. The prefix resolves to the Visa network, and issuer details may appear as registries update — newly issued and virtual ranges often lag.
What card network does BIN 431821 run on?
BIN 431821 runs on the Visa network. Visa is the world's largest card network, with cards beginning with the digit 4 and accepted in virtually every country.
Is it legal to look up BIN 431821?
Yes. BIN 431821 is public infrastructure data under the ISO/IEC 7812 standard — it identifies the issuing program, not any cardholder. No personal or account data is involved in a BIN lookup.
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